2397742 has 8 divisors (see below), whose sum is σ = 3603600. Its totient is φ = 1196544.

The previous prime is 2397719. The next prime is 2397793. The reversal of 2397742 is 2477932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2397698 and 2397707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759 + ... + 2317.

It is an arithmetic number, because the mean of its divisors is an integer number (450450).

2^2397742 is an apocalyptic number.

2397742 is a deficient number, since it is larger than the sum of its proper divisors (1205858).

2397742 is a wasteful number, since it uses less digits than its factorization.

2397742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330.

The product of its digits is 21168, while the sum is 34.

The square root of 2397742 is about 1548.4644006241. The cubic root of 2397742 is about 133.8445885193.

The spelling of 2397742 in words is "two million, three hundred ninety-seven thousand, seven hundred forty-two".